Analysis
-
max time kernel
131s -
max time network
120s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
22-12-2021 17:27
Static task
static1
Behavioral task
behavioral1
Sample
a35d9352002297512d9aed546559832b98b775a47be40420a5702f3cf221d078.dll
Resource
win7-en-20211208
General
-
Target
a35d9352002297512d9aed546559832b98b775a47be40420a5702f3cf221d078.dll
-
Size
554KB
-
MD5
ac5fadde7c1c40afef7716420c4433bc
-
SHA1
c5eb80bfbef1dce11f2c504e17e201a3c6ca7257
-
SHA256
a35d9352002297512d9aed546559832b98b775a47be40420a5702f3cf221d078
-
SHA512
314f5c185fb9681223562f5e5ce81d62d21e4394026677b23b316029ad01921d51933ca4d19061116b515cf4d8af970adeb22e1e8afe7011c256eda4aa4d8046
Malware Config
Extracted
qakbot
403.10
cullinan
1639742517
50.238.6.36:443
92.167.4.71:2222
89.137.52.44:443
105.198.236.99:995
117.248.109.38:21
106.51.48.170:50001
120.150.218.241:995
190.73.3.148:2222
182.56.53.180:443
186.64.87.213:443
103.142.10.177:443
65.100.174.110:443
96.21.251.127:2222
24.95.61.62:443
194.36.28.26:443
182.191.92.203:995
41.228.22.180:443
63.143.92.99:995
41.200.112.42:443
103.143.8.71:995
109.12.111.14:443
93.48.80.198:995
32.221.229.7:443
140.82.49.12:443
114.79.145.28:443
24.152.219.253:995
89.101.97.139:443
68.186.192.69:443
45.9.20.200:2211
111.125.245.116:995
136.232.34.70:443
5.54.35.115:995
75.110.250.187:443
114.79.148.170:443
63.153.187.104:443
75.188.35.168:995
24.53.49.240:443
78.101.82.198:995
74.15.2.252:2222
94.200.181.154:995
136.143.11.232:443
149.135.101.20:443
24.178.196.158:2222
96.80.109.57:995
217.128.93.27:2222
84.199.230.66:443
217.165.123.47:61200
209.210.95.228:32100
78.101.82.198:443
67.209.195.198:443
38.70.253.226:2222
80.14.196.176:2222
24.222.20.254:443
39.49.9.35:995
76.169.147.192:32103
86.98.53.83:443
218.101.110.3:995
14.96.67.177:443
182.176.180.73:443
182.56.57.23:995
87.70.93.83:443
73.151.236.31:443
59.88.160.74:443
181.208.248.98:443
67.165.206.193:993
173.21.10.71:2222
76.25.142.196:443
59.6.7.83:61200
65.128.36.247:443
71.74.12.34:443
23.233.146.92:443
187.172.160.115:443
70.51.134.181:2222
40.134.247.125:995
94.60.254.81:443
93.48.58.123:2222
73.5.119.219:443
100.1.119.41:443
72.252.201.34:995
75.169.58.229:32100
173.71.147.134:995
108.4.67.252:443
69.46.15.180:443
50.237.134.22:995
23.82.128.108:443
5.36.7.212:443
200.75.131.234:443
187.189.86.168:443
82.77.137.101:995
187.201.90.81:443
24.55.112.61:443
201.172.31.95:443
78.180.163.25:995
216.238.72.121:443
86.97.9.219:443
216.238.71.31:995
207.246.112.221:443
207.246.112.221:995
216.238.72.121:995
216.238.71.31:443
65.100.174.110:8443
80.6.192.58:443
176.24.150.197:443
102.65.38.67:443
27.223.92.142:995
24.229.150.54:995
68.204.7.158:443
117.198.149.221:443
86.148.6.51:443
73.140.38.124:443
96.37.113.36:993
217.165.7.254:995
27.5.4.111:2222
197.89.144.207:443
-
salt
jHxastDcds)oMc=jvh7wdUhxcsdt2
Signatures
-
Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid process 1652 regsvr32.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Modifies data under HKEY_USERS 10 IoCs
Processes:
explorer.exedescription ioc process Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Iiwryxyyj\411eb564 = 8d2589e0d9370a7ae15c7d731ef999d23bb80d33624d4868caf5b8638f050740eb71a6cd234ea0d5f1a46577 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Iiwryxyyj\f9a2d201 = 64dae602a702a8f7698b4c7a2857b62efa0a62518bf2439739d48c905c4d24500b758ffd8fb0288aad769f4d543446ff9377417df7eac8c30b8dcec5938566467ec5903db9b4df8a4536fca0436b1dbeac explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Iiwryxyyj\9892aa0 = 11bd280e1403e584d18b364263c6d92bc66e2073b4c04b64e6238a explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Iiwryxyyj\76c04556 = 7dc1db41fb890c1c1c3e0e144d7a213037afdec695c72fe98a39699b7bf91727f8b0cbd02ef3b1d7120414cd5c3281444cb4ded988b523f2da313fc4e8a9800e8cce3d6355601000639ed80481b0ebf77ff4b801bf38e6a7dd8cf945b750c96db702174889c199a1b3045620 explorer.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Iiwryxyyj explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Iiwryxyyj\76c04556 = 7dc1cc41fb893951a565019928cee32ed94880e6927ebe06c3657fd062c02b88a992c15dbb0bd71952d1e5a75156a201d3ddfaf4d3176c0d8957f8a0394b1602240ea6e962675000328a8dc1c0d91bfee71a708d4f8146 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Iiwryxyyj\435f9518 = d51bc0b26963665a5f9df9af318c267d220dfa51365a9e48e73898a84d387cdff1fb1871b0635da99427a388c6c41d6ede256f769bf847f8f3810d3273c20b36e3d465903e83d674f970c110af8cc7e44d2f1870b6ac00e2810f284172adfc1d1eb8067676bb09ec6e6b2546a926e7c876cfd9be4072e811c4dc760603cc85d632e444f39dad1f8381388c837aee25d7b6949a09e7fe914ceeb989139f7e387b1ceac030 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Iiwryxyyj\84aa9d8b = f9aa17c323371697e37f52d49d85df1b5e64748a1c71379455724b48e90d0143d6e67b3fcb4a416f0814f3fe explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Iiwryxyyj\3c16faee = 3214ff942237ab222c3ef6dbee6034 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Iiwryxyyj\fbe3f27d = a34e1f762f1c7abb52550ce61ee645bf explorer.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
rundll32.exeregsvr32.exepid process 1172 rundll32.exe 1652 regsvr32.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
rundll32.exeregsvr32.exepid process 1172 rundll32.exe 1652 regsvr32.exe -
Suspicious use of WriteProcessMemory 43 IoCs
Processes:
rundll32.exerundll32.exeexplorer.exetaskeng.exeregsvr32.exeregsvr32.exeexplorer.exedescription pid process target process PID 748 wrote to memory of 1172 748 rundll32.exe rundll32.exe PID 748 wrote to memory of 1172 748 rundll32.exe rundll32.exe PID 748 wrote to memory of 1172 748 rundll32.exe rundll32.exe PID 748 wrote to memory of 1172 748 rundll32.exe rundll32.exe PID 748 wrote to memory of 1172 748 rundll32.exe rundll32.exe PID 748 wrote to memory of 1172 748 rundll32.exe rundll32.exe PID 748 wrote to memory of 1172 748 rundll32.exe rundll32.exe PID 1172 wrote to memory of 1152 1172 rundll32.exe explorer.exe PID 1172 wrote to memory of 1152 1172 rundll32.exe explorer.exe PID 1172 wrote to memory of 1152 1172 rundll32.exe explorer.exe PID 1172 wrote to memory of 1152 1172 rundll32.exe explorer.exe PID 1172 wrote to memory of 1152 1172 rundll32.exe explorer.exe PID 1172 wrote to memory of 1152 1172 rundll32.exe explorer.exe PID 1152 wrote to memory of 568 1152 explorer.exe schtasks.exe PID 1152 wrote to memory of 568 1152 explorer.exe schtasks.exe PID 1152 wrote to memory of 568 1152 explorer.exe schtasks.exe PID 1152 wrote to memory of 568 1152 explorer.exe schtasks.exe PID 1552 wrote to memory of 964 1552 taskeng.exe regsvr32.exe PID 1552 wrote to memory of 964 1552 taskeng.exe regsvr32.exe PID 1552 wrote to memory of 964 1552 taskeng.exe regsvr32.exe PID 1552 wrote to memory of 964 1552 taskeng.exe regsvr32.exe PID 1552 wrote to memory of 964 1552 taskeng.exe regsvr32.exe PID 964 wrote to memory of 1652 964 regsvr32.exe regsvr32.exe PID 964 wrote to memory of 1652 964 regsvr32.exe regsvr32.exe PID 964 wrote to memory of 1652 964 regsvr32.exe regsvr32.exe PID 964 wrote to memory of 1652 964 regsvr32.exe regsvr32.exe PID 964 wrote to memory of 1652 964 regsvr32.exe regsvr32.exe PID 964 wrote to memory of 1652 964 regsvr32.exe regsvr32.exe PID 964 wrote to memory of 1652 964 regsvr32.exe regsvr32.exe PID 1652 wrote to memory of 1736 1652 regsvr32.exe explorer.exe PID 1652 wrote to memory of 1736 1652 regsvr32.exe explorer.exe PID 1652 wrote to memory of 1736 1652 regsvr32.exe explorer.exe PID 1652 wrote to memory of 1736 1652 regsvr32.exe explorer.exe PID 1652 wrote to memory of 1736 1652 regsvr32.exe explorer.exe PID 1652 wrote to memory of 1736 1652 regsvr32.exe explorer.exe PID 1736 wrote to memory of 2012 1736 explorer.exe reg.exe PID 1736 wrote to memory of 2012 1736 explorer.exe reg.exe PID 1736 wrote to memory of 2012 1736 explorer.exe reg.exe PID 1736 wrote to memory of 2012 1736 explorer.exe reg.exe PID 1736 wrote to memory of 2024 1736 explorer.exe reg.exe PID 1736 wrote to memory of 2024 1736 explorer.exe reg.exe PID 1736 wrote to memory of 2024 1736 explorer.exe reg.exe PID 1736 wrote to memory of 2024 1736 explorer.exe reg.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a35d9352002297512d9aed546559832b98b775a47be40420a5702f3cf221d078.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:748 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a35d9352002297512d9aed546559832b98b775a47be40420a5702f3cf221d078.dll,#12⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1172 -
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe3⤵
- Suspicious use of WriteProcessMemory
PID:1152 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn mcytbowbqm /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\a35d9352002297512d9aed546559832b98b775a47be40420a5702f3cf221d078.dll\"" /SC ONCE /Z /ST 17:29 /ET 17:414⤵
- Creates scheduled task(s)
PID:568
-
C:\Windows\system32\taskeng.exetaskeng.exe {9A6C8413-BF51-471E-89D3-E3CC286B1A90} S-1-5-18:NT AUTHORITY\System:Service:1⤵
- Suspicious use of WriteProcessMemory
PID:1552 -
C:\Windows\system32\regsvr32.exeregsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\a35d9352002297512d9aed546559832b98b775a47be40420a5702f3cf221d078.dll"2⤵
- Suspicious use of WriteProcessMemory
PID:964 -
C:\Windows\SysWOW64\regsvr32.exe-s "C:\Users\Admin\AppData\Local\Temp\a35d9352002297512d9aed546559832b98b775a47be40420a5702f3cf221d078.dll"3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1652 -
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe4⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:1736 -
C:\Windows\system32\reg.exeC:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /t REG_DWORD /v "C:\ProgramData\Microsoft\Njakgngyi" /d "0"5⤵PID:2012
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C:\Windows\system32\reg.exeC:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /t REG_DWORD /v "C:\Users\Admin\AppData\Roaming\Microsoft\Xywzireds" /d "0"5⤵PID:2024
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\a35d9352002297512d9aed546559832b98b775a47be40420a5702f3cf221d078.dllMD5
ac5fadde7c1c40afef7716420c4433bc
SHA1c5eb80bfbef1dce11f2c504e17e201a3c6ca7257
SHA256a35d9352002297512d9aed546559832b98b775a47be40420a5702f3cf221d078
SHA512314f5c185fb9681223562f5e5ce81d62d21e4394026677b23b316029ad01921d51933ca4d19061116b515cf4d8af970adeb22e1e8afe7011c256eda4aa4d8046
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\??\PIPE\wkssvcMD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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\Users\Admin\AppData\Local\Temp\a35d9352002297512d9aed546559832b98b775a47be40420a5702f3cf221d078.dllMD5
ac5fadde7c1c40afef7716420c4433bc
SHA1c5eb80bfbef1dce11f2c504e17e201a3c6ca7257
SHA256a35d9352002297512d9aed546559832b98b775a47be40420a5702f3cf221d078
SHA512314f5c185fb9681223562f5e5ce81d62d21e4394026677b23b316029ad01921d51933ca4d19061116b515cf4d8af970adeb22e1e8afe7011c256eda4aa4d8046
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memory/568-69-0x0000000000000000-mapping.dmp
-
memory/964-71-0x000007FEFB7E1000-0x000007FEFB7E3000-memory.dmpFilesize
8KB
-
memory/964-70-0x0000000000000000-mapping.dmp
-
memory/1152-62-0x00000000000F0000-0x00000000000F2000-memory.dmpFilesize
8KB
-
memory/1152-65-0x0000000074311000-0x0000000074313000-memory.dmpFilesize
8KB
-
memory/1152-68-0x00000000000C0000-0x00000000000E1000-memory.dmpFilesize
132KB
-
memory/1152-63-0x0000000000000000-mapping.dmp
-
memory/1172-56-0x00000000001D0000-0x000000000025F000-memory.dmpFilesize
572KB
-
memory/1172-66-0x0000000000870000-0x0000000000891000-memory.dmpFilesize
132KB
-
memory/1172-67-0x00000000008A0000-0x00000000008C1000-memory.dmpFilesize
132KB
-
memory/1172-54-0x0000000000000000-mapping.dmp
-
memory/1172-60-0x00000000008A0000-0x00000000008C1000-memory.dmpFilesize
132KB
-
memory/1172-58-0x00000000008A0000-0x00000000008C1000-memory.dmpFilesize
132KB
-
memory/1172-59-0x00000000008A0000-0x00000000008C1000-memory.dmpFilesize
132KB
-
memory/1172-57-0x0000000000170000-0x0000000000171000-memory.dmpFilesize
4KB
-
memory/1172-55-0x0000000074F01000-0x0000000074F03000-memory.dmpFilesize
8KB
-
memory/1172-61-0x00000000008A0000-0x00000000008C1000-memory.dmpFilesize
132KB
-
memory/1652-78-0x0000000000890000-0x00000000008B1000-memory.dmpFilesize
132KB
-
memory/1652-76-0x0000000000800000-0x000000000088F000-memory.dmpFilesize
572KB
-
memory/1652-77-0x0000000000890000-0x00000000008B1000-memory.dmpFilesize
132KB
-
memory/1652-80-0x0000000000890000-0x00000000008B1000-memory.dmpFilesize
132KB
-
memory/1652-79-0x0000000000890000-0x00000000008B1000-memory.dmpFilesize
132KB
-
memory/1652-82-0x0000000000890000-0x00000000008B1000-memory.dmpFilesize
132KB
-
memory/1652-81-0x00000000000D0000-0x00000000000D1000-memory.dmpFilesize
4KB
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memory/1652-73-0x0000000000000000-mapping.dmp
-
memory/1736-84-0x0000000000000000-mapping.dmp
-
memory/1736-90-0x00000000000C0000-0x00000000000E1000-memory.dmpFilesize
132KB
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memory/2012-88-0x0000000000000000-mapping.dmp
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memory/2024-89-0x0000000000000000-mapping.dmp